Write Pulse

{
  "public": {
    "Sr25519": "0x1a005e90a3e6a3dfe9288ab1201eb4b95be88b5ac1b18cd1f8a8eaefceef094a"
  },
  "pulses": [
    {
      "round": "25,574,372",
      "signature": "0xb6f23347686a179aa6289394b37022752f84e91e328861ac9e1175d0d5b6caee98bba15d55835d415b35c6d2b098dd55",
      "randomness": "0x8cf5c495a1a9534ed185dfe1b3cb44ff865c23312cc9a7964f964f2d1437eec2"
    }
  ],
  "blockNumber": "7,413,929"
}

{
  "Sr25519": "0x3a521aea701dbedf1234c8f1e6f69ecdf62e8e60267b54dcca0e448a5df411458ff81185e1e45d7741f8d0d028551a3884aef9202944959603bfd6d66e77a488"
}